16855400

素因数分解:

$2^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{1187}}^1$

素因数の和:1274

約数の個数: 48

約数和(自身を含む): 39774240

約数和(自身を除く): 22918840

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 142, 200, 284, 355, 568, 710, 1187, 1420, 1775, 2374, 2840, 3550, 4748, 5935, 7100, 9496, 11870, 14200, 23740, 29675, 47480, 59350, 84277, 118700, 168554, 237400, 337108, 421385, 674216, 842770, 1685540, 2106925, 3371080, 4213850, 8427700, 16855400]

約数ペア:

[(1, 16855400), (2, 8427700), (4, 4213850), (5, 3371080), (8, 2106925), (10, 1685540), (20, 842770), (25, 674216), (40, 421385), (50, 337108), (71, 237400), (100, 168554), (142, 118700), (200, 84277), (284, 59350), (355, 47480), (568, 29675), (710, 23740), (1187, 14200), (1420, 11870), (1775, 9496), (2374, 7100), (2840, 5935), (3550, 4748)]